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| Nihei,Thiago Hideyo; Bertagna,Filipe Augusto Bengosi; Kuki,Maurício Carlos; Scapim,Carlos Alberto; Pinto,Ronald José Barth; Amaral Júnior,Antônio Teixeira do. |
| ABSTRACT: The purpose of this study was to evaluate the discriminatory capacity of tester lines for tropical corn lines converted to supersweet shrunken (sh2) gene, for the development of hybrids adapted to tropical conditions. Lines were used as female parents in crosses with three testers: open-pollinated mixed variety; supersweet line L4; supersweet commercial hybrid Tropical Plus. Four trials were carried out to evaluate topcrosses in Maringá - PR e Sabáudia - PR, Brazil in the main growing season of 2015/16. The following traits were evaluated: total ear weight (TEW, in kg), commercial ear weight (CEW, in kg) and total soluble solids (TSS, in °Brix). The GCA estimates for TEW and CEW were highest for L4. The lines Balu-114 and UEM-25 were selected... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diallel analysis; General and specific combining ability topcross; Sweet corn; Tester. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000300402 |
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| Kuki,Maurício Carlos; Scapim,Carlos Alberto; Pinto,Ronald José Barth; Figueiredo,Alex Sandro Torre; Contreras-Soto,Rodrigo Iván; Bertagna,Filipe Augusto Bengosi. |
| ABSTRACT: This study aimed to evaluate the inbreeding depression and average genetic components in seven hybrids and two open pollinated cultivars for green corn production, as well as to select the best genotypes in order to obtain base populations for inbred lines extraction. The experiment was carried out in a randomized complete block design with four replications, in a split plot design, with inbreeding levels arranged in the plots and the different genotypes distributed over the subplots, in the municipality of Sabáudia - PR, during the 2014/15 crop season. Higher values of dominance and inbreeding depression were observed for yield of both unhusked and commercial ears. Higher additive effects were detected on length and diameter of commercial ears.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: In nature corn; Loss of vigor; Genetic effects. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000500202 |
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